Probabilistic Semantics for Delgrande's Conditional Logic and a Counterexample to His Default Logic.

Gerhard Schurz Probabilistic Semantics for Delgrande's Conditional Logic and a Counterexample to His Default Logic. 81-95 1998 102 Artif. Intell. 1 db/journals/ai/ai102.html#Schurz98 http://dx.doi.org/10.1016/S0004-3702(98)00042-3